{"id":489,"date":"2021-08-03T15:16:00","date_gmt":"2021-08-03T07:16:00","guid":{"rendered":"https:\/\/www.anger.ltd\/?p=489"},"modified":"2022-07-22T15:19:25","modified_gmt":"2022-07-22T07:19:25","slug":"%e5%b0%86%e6%9a%b4%e5%8a%9b%e7%a0%b4%e8%a7%a3ssh%e7%9a%84ip%e5%86%99%e5%85%a5hosts-deny%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.anger.ltd\/index.php\/2021\/08\/03\/%e5%b0%86%e6%9a%b4%e5%8a%9b%e7%a0%b4%e8%a7%a3ssh%e7%9a%84ip%e5%86%99%e5%85%a5hosts-deny%e6%96%87%e4%bb%b6\/","title":{"rendered":"\u5c06\u66b4\u529b\u7834\u89e3SSH\u7684IP\u5199\u5165hosts.deny\u6587\u4ef6\u7684\u81ea\u52a8\u811a\u672c"},"content":{"rendered":"\n<p>\u811a\u80cc\u5185\u5bb9<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#! \/bin\/bash\n# \u83b7\u53d6\u6240\u6709\u767b\u9646\u5931\u8d25\u7684\u4fe1\u606f\uff0c\u5e76\u5c06\u4fe1\u606f\u5199\u5165\u6587\u4ef6\n# auth: Anger\n# 2020-11-08\n\ncat \/var\/log\/secure|awk '\/Failed\/{print $(NF-3)}'|sort|uniq -c|awk '{print $2\"=\"$1;}' &gt; \/usr\/local\/bin\/black.list\n#\u904d\u5386\u6587\u4ef6\nfor i in `cat  \/usr\/local\/bin\/black.list`\ndo\n  IP=`echo $i |awk -F= '{print $1}'`\n  NUM=`echo $i|awk -F= '{print $2}'`\n  #\u5982\u679c\u767b\u9646\u5931\u8d25\u6b21\u6570\u5927\u4e8e10\uff0c\u5219\u5c06IP\u5199\u5165\u9ed1\u540d\u5355\n  if (( $NUM &gt; 10 )) ; then\n    grep $IP \/etc\/hosts.deny &gt; \/dev\/null\n    #\u5224\u65ad\u4e0a\u4e00\u8bed\u53e5\u7684\u6267\u884c\u7ed3\u679c\uff0c\u5982\u679chosts.deny\u5b58\u5728\u8be5IP\u4f1a\u8fd4\u56de\u5927\u4e8e0\u7684\u503c\uff0c\u4e0d\u5b58\u5728\u4f1a\u8fd4\u56de0\uff0c\u5219\u5199\u5165\u6587\u4ef6\n    if &#91; $? -gt 0 ];then\n      echo \"sshd:$IP:deny\" &gt;&gt; \/etc\/hosts.deny\n    fi\n  fi\ndone\n<\/code><\/pre>\n\n\n\n<p>\u811a\u672c\u52a0\u6267\u884c\u6743\u9650\u540e\uff0c\u5efa\u8bae\u5c06\u811a\u672c\u5199\u5165crontab\u81ea\u52a8\u8fd0\u884c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u811a\u80cc\u5185\u5bb9 \u811a\u672c\u52a0\u6267\u884c\u6743\u9650\u540e\uff0c\u5efa\u8bae\u5c06\u811a\u672c\u5199\u5165crontab\u81ea\u52a8\u8fd0\u884c<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-489","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/posts\/489","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/comments?post=489"}],"version-history":[{"count":2,"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/posts\/489\/revisions"}],"predecessor-version":[{"id":491,"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/posts\/489\/revisions\/491"}],"wp:attachment":[{"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/media?parent=489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/categories?post=489"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.anger.ltd\/index.php\/wp-json\/wp\/v2\/tags?post=489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}